The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 1999
Filed:
Sep. 02, 1997
Takashi Okada, Shizuoka, JP;
Fumihito Konagaya, Shizuoka, JP;
Jatco Corporation, Fuji, JP;
Abstract
A clutch structure for a vehicular power train, includes a clutch disc and a piston moveable along an axis to force the clutch disc. The piston includes a generally cylindrical portion having projections extending axially in circumferentially spaced and parallel relation. The piston has a pressure surface engageable with the clutch disc upon the piston forcing the clutch disc. The piston also has a portion defined by a surface recessed from the pressure surface. The portion is disposed in a radial inner periphery of the cylindrical portion and extends along the axis. A groove is disposed within that portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile